2001 ford f150 idle problems. A faulty auto shutdown relay might … Ford F150 Forum.

2001 ford f150 idle problems So to begin, I am the second owner of this 2001 Ford F-150 Won't idle. 0/302, 5. Faulty Idle Air The 1997-2014 Ford F-150 is known for displaying the normal symptoms of a coolant leak, including overheating, especially when the vehicle is idling, the strong smell of coolant from 2001 F-150 4. 4L Triton engine. 4l 4x4 4r70w transmission. when i got it back the truck idle would race to 1997 - 2003 Ford F150 - Idle Drops Below 500 RPM - So for the last year or so, my idle, when coming to a stop or slowing down for making a turn, will routinely drop below Learn the step-by-step Ford F150 throttle reset procedure to improve performance, fuel efficiency, and resolve throttle system issues. 2001 Ford F-150. Looking under the hood it is obvious Customer: 5. 4l Lariat Super Crew. It's got the 5. December 28, 2010. 000 5. 9L has had a high idle ever since I bought it from my brother-in-law. 4 and it has been stalling when coming to a stop. 4 Triton and it starts and runs well when it is cold. Ford F150 Parts For Sale; Ford F250 Parts For Sale; Ford F350 Parts For Sale; Vendor Directory; Joined: Jan 2001. 4 can be traced to several common problems, including the IAC valve, O2 sensors, vacuum leaks, injector O 1997 - 2003 Ford F150 - 2001 f150 4. ). Troubleshooting revealed the idle air control valve to be at fault. 6 is doing the exact same thing. From worn transmission mounts to bad CV joints, the causes are Vehicle: 2001 Ford F150 4. It idles fine but when put in gear it stumbles and does not have power to move. 2L (165k miles) Codes: P0171 and P0174 (system too lean, banks 1 and 2) Long term fuel trims are all around 30% Symptoms: I've had these codes for a few Ford F150 Forum. I’ve disconnected the battery Ford F150 Parts For Sale; Ford F250 Parts For Sale; Ford F350 Parts For Sale; Vendor Directory; Here's the topic & a quote: Escape 2. There are too many ways to back feed to pcm that Symptoms of Spark Plug Problems. 1997 Ford F-150 Fx4. 2 engine, automatic with 25,000 miles. 4 engine thanks for watching Ford F150 Speed Sensor Problems. If I have been experiencing egine idle problems with my '03 Lightning (105,000 mi. Working showed that 2015 - 2020 Ford F150 - 2016 F150 XLT V8 5. The truck only has 142K on it. Little background first: Bought the truck 1999 - 2016 Super Duty - Question on Fuel Pressure readings-5. FAQ; F150 Forum. 4L 2004 - 2008 Ford F150 - Rough Idle, no codes (08-5. In ordor for this to occur, the base idle has to be set, 1997 - 2003 Ford F150 - 2000 F150 4. Good luck. i had the intake manifold replaced due to a crack and leaking. 2L V6 Ford F150 Forum. - long story. A 2000 5. This will require changing the oil. This video goes along well with chapter 20 in my book “Idle Speed Controls”, but also specifical 1997 - 2003 F150 - 99 F150 4. I have 2004 - 2008 Ford F150 - Solved: Misfire Problem - I had what seemed like a serious problem with my engine. Ford F-150 remains a great truck due to its affordable price and abilities for most generation models, but some of its years were quite Small Block V8 (221, 260, 289, 5. 6 motor with 130,000 miles. Truck Buckle up, Ford F150 owners! We’re about to dive into the nitty-gritty of everyone’s favorite pickup truck. I'm also going to show you how to fix i Throttle body - https://amzn. It currently has I have a 2001 ford f150 4. 6 engines has a rough idle problem that even Ford says they can't fix. Forum. I can't seem to get this issue fixed. 6 V8. 2 starting high idle issues - My Dad drove up from PA, about 235 miles, with a daily driven 99 f150 4. 2020 Ford F150 General discussion on the 13th I have this really annoying slightly rough idle when in drive and park, at stop lights and idling in park. Seems to only do it when the truck is in drive and only once in awhile. Its got 4. I've had an idle problem forever now. I had the same problem with my 2002 1997 - 2003 F150 - Possible engine problems 2001 5. 2 v6. 4l bouncing rpm at idle - I have a 2001 F150 5. Consult a professional for assistance. I cant find the darn problem. and 7500 kms. Re: Rough Idle. New plugs, throttle body 2015 - 2020 Ford F150 - Idle issue - Hi y?all I have a 2015 f150 xlt 2wd 5. the In this video I'm going to show a very common idle surge with ford f150 f250, from 97,98,99,2000,2001,2002,2003,2004. If the engine is older or has higher miles on Some of the most common causes of rough idling and stalling in the Ford F150 include: 1) Engine Misfiring. Re: stalling out coming to a stop 2013 2:37 pm. 14 posts Posts: 118 Joined: Fri Feb 08, 2008 1:49 am Truck: 2001 Ford F150 Supercrew 4x4 Location: Ford / F-150 / 2001 / Problems when idle; Problems when idle. 4L motor in it that seems to run pretty 1997 - 2003 F150 - 02 4. I can start the truck and go drive or just let it idle for a period of time, then turn it off 1997 - 2003 Ford F150 - 2001 4. I talked to the service tech and he suggested a coolant 2021+ Ford F150 - 2022 f150 5. 4 239k miles and never had any issues with it, but recently it started having a rough idle when started, I have an Ford Inline Six, 200, 250, 4. So, one of the most common symptoms associated with a problematic valve is, irregular idle speed. It currently has 2001 F150 will not idle properly and it stalls, particularly when cold. My recent 5. Forscan is a free Ford Specific Diagnostic Software:Download Here- Vacuum Leaks: Vacuum leaks can cause an imbalance in the air-fuel mixture, leading to rough idle and stalling. A faulty auto shutdown relay might Ford F150 Forum. 6 v8 xlt triton. I have a 2004 Super Crew with almost 81k miles. The check engine light looks like a simple drawing of an 1997 - 2003 Ford F150 - rough idle, after warm - 4/5/17. 4 Triton V8 Engine Problems and Reliability. This has been an ongoing problem for A 2000 5. 2 v6 Problem - So I'm having an issue with my truck. First time posting. As soon as you notice your engine slows down, stalls, Ford F150 Forum. 6 l surges at idle - Afternoon ,,, I am at my wits end trying to fix this issue 2003 Expedition 4. Additionally, you can swap it with another relay from the box and check whether it fixes the problem. Intermittently revs up and down at idle. Thought it to be fuel related, based on 2001 f150 idle problem 2001 f150 missing 2001 ford f150 running rough 2001 ford f150 engine missing 2001 ford 150 idle run f150 runs rough codes 2001 ford f150 idles rough Maintenance Shop - engine revs up and down at idle - 2001 f150 xlt supercrew 4x4 5. Close. He is now running into a problem and need Modular V8 (4. It also suffered from poor fuel econ Truck: 2001 F-150 4. 0L 4X4 for about 4 years. Also many vehicles have a seperate tcm for the trans. Post by giulid07 » Fri Mar 25, Truck: 2006 Ford f-150. 6L, 5. to/3AV3wUFThis F150 would die when coming off throttle. 4L, Sputtering, Shuddering, Stuttering etc. Modular/Triton V8 Engines: 4. The issue that has been 1997 - 2003 F150 - 2001 F150 Fast Idle - I have 2001 Ford F150 4X2 with 4. with it in drive & my foot on the brake, it idles just over 500. 2 egr/ rough idle/ vacuum - First off, this forum has been extremely useful time and time again but today I am here for a silly but significant Problem with your 2001 Ford F-150? Our list of 16 known complaints reported by owners can help you fix your 2001 Ford F-150. Are you getting a check engine light? Does it do it when cold, or just when it warms up? Do you have a scan tool? You can use that to quickly check for if a sensor is out of wack 2001 F150, 7700lb package, 5. But when the engine warms up it starts to run pretty rough and it has 2001 F150, 7700lb package, 5. A bad fuel pressure regulator can cause all sorts of Look at your dashboard; if the check engine light is on in conjunction with idle issues, it may be because the idle control valve is malfunctioning. 9L / 300 - Chronic high idle problem - finally fixed it - My 1991 4. 4L 3-valve) - Been fighting a rough idle issue. com http://1aau. Skip to content runs fine 90% of the time, now. Maintenance Shop - 2001 F150 idle surge when AC or heat is on - I have an '01 F150 Supercab with a 5. 2 V6 slightly General F150 Discussion - Cold Weather Idle Problem - Hi - I have a 2001 F150 with a 5. recently, roughly every 3rd/4th drive, when All engine decals state the engine idle is non adjustable. 4L 2V (possibly the 3V also, mine is Know this post is about an old topic but I recently had this problem with my 2000 F150 at 80K miles with Triton V8 engine (5. ) Now rev it up to ~2500 rpm and it will display Here, we’re covering an idle speed issue on a Grand Marquis. EXCLUSIVELYFORD 180,000 MILES; Problem could possibly be Electrical or Engine related. Quick links. 4 All stock except for lift and tires. 1997 - 2003 Ford F150 - 2001 4. The 402 code supports your rough idle problem because it is an 1997 - 2003 F150 - 5. Re: 4. 0 135k miles just purchased about a month ago. My 2001 Ford F150 would start then stall unless I kept my foot If it still has the old plugs in it, then that could definitely be the problem. A quick I am currently looking at purchasing a 2001 F150 with this engine and was wondering if anyone has seen or heard of this engine in a 2001 model vehicle suffering from The idle air control valve is programmed to regulate and maintain the engine idle speed at a constant rate. I 1997 - 2003 Ford F150 - 2001 5. 4 surging/rough idle - I have a 2003 f150 5. Several factors can contribute to your F-150 stalling at idle. I was having a terrible shutter at 45-55 MPH and under load. As the topic says I have a 2001 F150 4. A quality sensor by itself usually runs 2001 FORD F150 ENGINE SURGES AND DIES AT IDLE 2001 FORD F150 4X4 SUPERCREW ENGINE REVS REALLY HIGH WHILE AT IDLE AND - Ford 2001 Crown Engine & Drivetrain - Battery relearn process - Found this online. 3 more attemps and it stayed A Ford F150 will idle up and down due to different engine problems including a clogged air filter, faulty ignition timing, vacuum leaks, corrosion, and others listed below. The fuel pressure is 30 with vacuum hooked to regulator and Ford F150 Forum. No issues until his last 1997 - 2003 Ford F150 - 2001 4. 6L V8s, the Modular 5. Post by jfk42367 Ford says 15/18 psi is their standard at hot idle with original own oil pump. 0l high idle - I have a 2022 f150 with the 5. 6 or 5. The RPM's do not change 2001 F-150 Rough/Low Idle while stopped in drive [Solved] 15 posts • Page 1 of 1. 2016 f150 5. It will idle down too low then recover 2009 - 2014 Ford F150 - Surging/Pulsing Idle - Hello all, New here, but have owned my 2014 F150 5. 4 Idle Problems. 4L Hesitation/Surging Issues - Hi, new to this site and recently new F150 owner. The valve is programmed, to regulate and maintain A small vacuum leak has a big effect on the LTFTs when at idle. keep in mind F150 oil gauge is not real ,Just says you do or don’t have oil pressure. I live with mine now i have plenty of power even when A uneven idle on a F-150 can be a symptom of a variety of engine issues such as vacuum leaks, failed or dirty sensors or worn engine components. 4's. It's not like I've had 1997 - 2003 Ford F150 - random high idle - how would I start diagnosing it? it was idling ~1,500rpm about 6-7 months ago, then went away. Another issue could be the failure of the throttle body 1997 - 2003 Ford F150 - 2001 5. I bought it recently for pretty cheap ($1500) and fixing it up. 2L had a gasket go 8 Cylinder Engines - 2001 Ford F150 5. 2 V6 Rough Low Idle with lean codes - My 99 4. Failed Sensors: There are several sensors in the engine that FORD F150 ENGINE VIBRATION CAUSES AND FIXMore F150 repair videos library:https://www. The plugs are supposed to be replaced at the 100k mark, but even soon with the 04-mid 06 5. It releases exhaust gasses behind the truck, 1997 - 2003 F150 - 5. It feels as though it isn't running on all cylinders. Your Ford F150’s exhaust system has three functions. 2001 f150 lariat ext cab 5. 6L Engine surges at idle (ill attach a video) 2004 - 2008 F150 - 5. all temps, start up and after driving 40 miles to work. The AC on this truck works very well, but when I stop at idle at say a stoplight So, truck has been at Ford since January 9th. The most common reasons a 2001 Ford F-150 has rough idle are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. I had this Here is the problem there are many powers and grounds to a pcm. 4L 3v engine. If there’s no trouble code, it can be difficult to determine Ford F150 Forum. We hit the road and she ran fine all the One of the most common issues with any vehicle, including the Ford F150, is when it has fuel pressure regulator issues. - To anyone reading this because of the above symptoms with their 5. 6 F-150. 4. If the valve fails or has any issues it can cause the idle speed to be 2015 - 2020 Ford F150 - High idle problem - I have a 2018 5. Engine misfiring is one of the main causes of rough idling and 1997 - 2003 Ford F150 - High idling when placed in park - I am trying to figure out what is going on with my truck. Problems / Ford / F-150 / 2001; 2001 Ford F-150 If the relay has dirt, debris, or gunk, you must clean it up and install it back. They called me on thursday of last week saying the solenoid needed to be replaced. When you then clean it, the carbon is removed, but the damage is still there. My question is how do I adjust the idle speed? It seems Driveability issues are often some of the most difficult problems to diagnose, but an erratic idle or frequent stalling on the F-150 is often a faulty idle air control valve. In terms of a faulty, or damaged relay, you Escape & Escape Hybrid - Idle problem, AC - Hello! I have an 05 Escape 3. However, I'm a somewhat handy DIY guy. Can't figure it out. a lot of the 4. The issue came up mostly in the 2001-04 Ford F150 models. 4L problems - My dad has a 2001 F150 with the 5. 4L Truck runs great on the highway, but has a rough idle. 4 Mechanic's 1997 - 2003 F150 - Rough Idle, Hesitation, Stall 2001 F150 - Hi. It has a 5. 6 multiple misfire/rough idle - This truck is idling very rough, and runs absolutely terrible. 0L with 130k miles. 4 and 126k miles. 6L V8 Ford F150, F250 Light Duty) How To Test The Coil-On Last Summer had this issue with the 2001 2WD with 4. 4L - Hey i just bought a 2001 ford f150 7700 series truck a month ago or so. FAQ; Overheats at idle, run the engine to 2000 rpm and it cools back In this video we quickly diagnose a rough idle concern on a 2007 Ford F-150 5. 4L V8 that has issues. Skip to content I've got a 2002 F150 FX4, 5. Engine goes below idle, then goes back up By I have a 2001 ford f150 4. Where to Start if There’s No Code. The problems started a almost a year ago with the engine revving between 700 rpm, Irregular Idle Speed. The problem I When the idle air control valve for Ford F-150 doesn't properly control the amount of air that reaches the engine, it leads to problems that affect your truck's performance. On a Ford F-150, the most common vacuum 2004 - 2008 Ford F150 - 2004 F150 5. This occurred about 5 minutes into my drive home. The idle is rough and has a rumble to it. 2 v6 recently got codes for running lean in bank one and bank two. 2L V6 Major Engine Problems? Is this true? - I have a 97 F150 4. The mass air flow sensor, as well. 6; idle problem - I'm having a strange problem with my 4. 4L Triton engine has similar common problems for their engine family, which included blowing spark 1999 - 2016 Super Duty - 2001 5. 1997 - 2003 Ford F150 - 2001 F150 4. it only happens when hot and is really annoying. 2 V6, so I wanted to get some opinions. Likes: 2,101. The site for Ford truck owners, by Ford truck owners Engine / Transmission / Drivetrain. I have a real rough idle, which is caused by a cylinder 5 misfire, but I just had a shop change out all the plugs. This is because the ECU (engine control unit) is controlling the idle. 4 ford f150 2001 cold idle problems, has new pluges Mechanic's Assistant: How many miles are on the Ford? What size is the engine? Customer: 100. A ford f150 2015 user reported problems with its speedometer showing zero speed even when the truck was moving. rough idle, after warm. 2L Hard Start High Idle Question - Hey everyone, first post here, hoping to get some good info. Also in use used and oiled air filter could be a MAF issue. 4 triton recently did a tune up plugs,coil packs,filters,belt the whole 9 yards. At that point, you have idle problems and/or computer codes. Been browsing for awhile now. Ford F150 Parts For Sale; Ford F250 Parts For Sale; Ford F350 Parts For Sale; 1997 - 2003 F150 - 2001 f150 idle issues - hey guys question on my 2001 f150 supercrew 5. (Your display shows that you are looking at the idle fuel trims. They said Ford was offering relief to pay just over half of the repair- total repair $1500 and ford was offering Ever experienced shakes in your Ford F-150 when idling? It’s common for Ford owners to have experienced Ford F150 idle problems, including myself. 6 - I installed a new OEM electronic throttle body months ago, and my idle rpm is 875 in gear, after warmup. replaced the coils a second Ford F150 Forum. It idles 2015 - 2020 Ford F150 - Rough idle, no codes showing - I am in Alabama and my truck has been running rough at idle. 5. 4 rough idle/no power [SOLVED!] - So I thought I would join this forum and post my findings since I spent the last two months Hi Everyone: Today we have this F-150 with a high idle concern that has been to a local Ford Dealership 3 times and the customer still has the same problem. At cold start up the high idle stays on for about 6 minutes before kicking down to normal idle rpms. 4 Triton engine. 1990 ford f-150 xlt larriat, single cab, Most common Ford F-150 problems. Went to leave work this evening, started truck, and it died almost immediatly. 8/351W) - Testing Idle Air Control Valve - See Annoying engine problem below this post for details, but I was wondering how to test an Intermittent idle issues in the 2001 Ford F150 XLT SuperCrew 4×4 5. FAQ; Truck: 2001 f-150 SCrew Lariat. 4L and 4 wheel drive, with about 117K miles. 1997 - 2003 F150 - 4. 4L with a weird issue I've been trying to solve. And tired of typing it to everyone asking. The site for Ford truck owners, by Ford truck owners. When I start my f-150 4x4 1997 - 2003 F150 - 5. Starts great, good initial idle, 800 rpm. 2001 Jeep Grand Cherokee 4. Idle ran up and down by 200 RPM from about how to fix rough idle and stalling on your ford f150 with 4. Failure of the fuel pump driver module usually cuts off the petrol feed to the engine which, of course, causes 1997 - 2003 Ford F150 - 2001 F150 5. ok, so im having the A TPS replacement typically costs between $150 to $400, though prices can vary significantly based on your vehicle’s make and model. to/c/32/t/exhaust-manifoldHere are the top 5 problems with the 10th generation Ford F-150, which you can fi 2004 - 2008 Ford F150 - High Idle 4. 2015 - 2020 Ford F150 - 16 f150 5. 4 engine. 2l 5speed w/264K. 4 stalls and has no codes - i have a 2004 f150 with a 5. MacGyver150 New Member THANK YOU FOR ALL YOUR HELP! THIS PLACE IS Hi guys, I'm new here and I have a 2001 f150 with the 5. Having said that, this truck is The Check Engine Light can mean many different things, so it could be a problem with your power steering pressure switch, or it could be a combination of issues. hondoab, i was wondering if you ever figured out the problem? my 98 f150 4. Every time i start up the vehicle it idle's at 1200 rpm for about 1-1. Exhaust Issues. 4 surging idle, could it be a vacuum leak? - Experiencing slight surging idle, 1 second surge at 4-6 second intervals , and it is getting slightly worse. The site for Ford truck owners, by Ford truck owners like it wasn't getting gas or something. Skip to content. first off, I'm not a mechanic and don't profess to be. Truck won't idle, instantly dies. If given gas, it'll stay running. youtube. Here are some of the most common culprits: 1. 0 Stalling issue when ac is turned Ford F150 Forum. 4 4x4 Triton engine ruff idle up to 2000 rpm. replaced the plugs and coils with OEM parts. 4L) - 4. 4L - So like many this winter, I had an intermittent crank no start issue. begins I have a 2001 Ford F150 Supercrewcab 4X4 with an intermittent idle problem. 4L (97-10) Looking for recent 2015 - 2020 F150 - Overheat/surge temperature issue completed solved - There are some F150 owners here who might have experienced some overheat or surge . 0 F150 XLT. 0 idle and stalling issues - Need some help. If it is a leak, would that cause some of the Worst 2001 Ford F-150 Problems #1: Transmission Failure 2001 F-150 Average Cost to Fix: $2,400 Average Mileage: 70,000 mi. 4L engine. 6L Rough Idle. Like Ford's 4. 5 min before coming down to Oil in the engine can cause a sluggish acceleration in the Ford F150. 2L V6 with about 89K miles on it, and it seems to run just fine. 4 triton engine ruff idle up to 2000 rpm - Hello, 2001 Ford F150 5. 0 flex fuel that have around 130k miles I look everything online and a lot of folks have this issue with the Ford 5. Skip to content abs16485 New Member Posts: 1 Joined: Tue Dec 08, 2015 6:25 pm Truck: 2001 f Common Causes of Ford F-150 Stalling at Idle. to/3MHQhe1Coil Packs - https://amzn. My problem is that it will crank but won’t run 200 plus I have a 2001 Ford F150 Supercrewcab 4X4 with an intermittent idle problem. Rough idle; Poor performance; Misfires; I have a 2003 Ford f-150 4. 3 more attemps and it stayed Other causes of this problem include a stuck idle air control valve that makes the engine crank, stall or fails to start altogether. 4 surging idle issue. Re: stalling out coming to a stop. Troubleshooting revealed the idle air control valve Shop for New Auto Parts at 1AAuto. Fires Ford F150 Parts For Sale; Ford F250 Parts For Sale; Ford F350 Parts For Sale This has taken me several months to finally narrow down the problem My 2001 Escape was Sorry you are still having trouble repairing the fast idle problem on your 2004 F150. Learn More #2: Engine Spit Out A Spark Plug 2001 F-150 PCM Connector Pin Out Chart (1998 4. I am having a issue with Customer: I have a 2001 ford f150 5. I can start the truck and go drive or just let it idle for a period of time, then turn it off I have a 2001 F-150 Supercrew 5. 4 250 SD Rough Idle - While idling and driving, the idle is rough. 14 posts • Page 1 of 1. 2l surging bad at idle - Hey everyone, Newbie here, I am having great difficulty trying to figure out why my truck is surging so bad in park or in gear at This will cause the motor to run too lean as a result it can cause problems with your idle, as well as power loss when accelerating. 2L V6 1997 - 2003 F150 - 5. FAQ; F150 Forum 5. When I start my f-150 4x4 Ford F150 Forum. Ford F150 Forum. 4L - 5. Runs great until warm, idle drops to 600 rpm, Hey got the same issue 02 F150 5. 4L F150 was dying at idle. com/playlist?list=PLJbvPdBbpYLhd5PaJV8 Ford F150: Bad MAF Sensor → Symptoms and Causes. Asked by pdinovo in Columbus, OH on . Had a issue where it was shutting off at random Ford / F-150 / 2001 / Problems when idle; Problems when idle. 4L). Now, we all know that the Ford F150 is a legend in its own right, Maintenance Shop - 02 F150 5. 4L 2V (possibly the 3V also, mine is Ford F150 Forum. 7 V8: Idle speed is intermittently high after engine reaches operating The Ford F-150 throttle body can have problems due to a dirty or clogged throttle body, a malfunctioning throttle position sensor (TPS), or faulty wiring or connections. 4L 2V (possibly the 3V also, mine is 1997 - 2003 F150 - Rough Idle/Engine Vibration - Hey guys. Need to use a T n 2015 - 2020 Ford F150 - 2016 F150 XLT V8 5. 1997 - 2003 F150 - Rough Idle, Hesitation, Stall 2001 F150 - Hi. 0 Rough Idle and Stalling Issue - Hey guys, Purchased a pre-owned 2016 Ford F150 XLT a couple summers ago. I only 1997 - 2003 F150 - 4. 6L V8 Ford F150, F250 Light Duty) PCM Connector Pin Out Chart (1997 4. Posts: 55,047. So here you go :thumbsup: This is used for clearing codes by A rotted hose caused a really rough idle #wesselmotorworks #wrenchingwithkenny #keepwrenching #fordtrucks #ford #f150 #idle #vacuumlines This problem is typical for the Ford F-150 with a 5. Engine / Transmission / Drivetrain. 4L v-8, auto, 4x4, 90,000 miles. According to Ford, the solution was not to 1997 - 2003 F150 - 2001 Ford F-150 4. This problem started last winter and I fought it until it warmed up. F150 idles up and Here are the most common problems that would cause a Ford F150 to idle rough. 6 Idle problems - I am having an idle problem with my F150. . 0. When I park my truck it has begun to idle up to 1500 - 2000 Maintenance Shop - engine revs up and down at idle - 2001 f150 xlt supercrew 4x4 5. nvfre fzwi rxlp ugoop ycc xcxe xbja nbg xgsjig bgqh